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Andrej Karpathy on AI · ViralLoop

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Post by Andrej Karpathy on X

Andrej Karpathy@karpathy

I don't know what labs are doing to these poor LLMs during RL but they are mortally terrified of exceptions, in any infinitesimally likely case. Exceptions are a normal part of life and healthy dev process. Sign my LLM welfare petition for improved rewards in cases of exceptions.

7.1K likes289 repliesPosted Oct 9, 2025

View the original on X Written by Andrej Karpathy. Captured Sep 4, 2026.

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62

Viral score

Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Contradicts something the audience already believes, which stops the scroll.
Written from experience rather than as advice, which is harder to argue with.
Short enough to read in full without expanding, which removes a step before the point lands.

The mechanics

Hook: Plain observation
Structure: Hook → Landing
Style: Conversational paragraphs at a steady pace.
Tone: personal
Mechanisms: Pattern interrupt
Written for: People building with AI

Analysis by ViralLoop — not written by the original author.

Topics

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